CN208175051U - A kind of intelligent bulbs power supply unit and intelligent bulbs - Google Patents
A kind of intelligent bulbs power supply unit and intelligent bulbs Download PDFInfo
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- CN208175051U CN208175051U CN201820658575.6U CN201820658575U CN208175051U CN 208175051 U CN208175051 U CN 208175051U CN 201820658575 U CN201820658575 U CN 201820658575U CN 208175051 U CN208175051 U CN 208175051U
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Abstract
The utility model relates to lighting area, a kind of intelligent bulbs power supply unit and intelligent bulbs are provided, duplex feeding circuit need to be designed for solving intelligent bulbs in the prior art, lead to the problem that hardware cost is high.Intelligent bulbs power supply unit includes：Voltage input end, multi-tap transformer, for connecting with the voltage input end, the secondary coil includes the first tap and the second tap, wherein first tap for being electrically connected with the bulb module of intelligent bulbs, is powered for the bulb module；And first voltage regulator circuit, the input terminal of the first voltage regulator circuit are connected to second tap, the output end of the first voltage regulator circuit is radio receiving transmitting module power supply for be electrically connected with the radio receiving transmitting module of intelligent bulbs.Multi-tap transformer is used in the power supply unit of above-mentioned technical proposal, the first tap of multi-tap transformer is powered for bulb module, and the second tap is powered for radio receiving transmitting module, to eliminate independently-powered circuit all the way, greatly reduces hardware cost.
Description
Technical field
The utility model relates to lighting area, in particular to the intelligent bulbs power supply unit and intelligent lamp of a kind of small wattage
Bubble.
Background technique
Intelligent bulbs are a kind of LED electric lights connected by wireless receiving modules such as wireless WIFI module, bluetooth or RF modules
Bubble, light bulb can be connect by wireless receiving module with equipment such as smart phones, and connect to be controlled by it and carried out switch or brightness adjustment
Deng operation.
In existing intelligent bulbs, since the power consumption of radio receiving transmitting module is larger, usually require to design in design
The independent power supply circuit of two-way, please refers to Fig. 1, and wherein first via power supply circuit is powered for bulb module, two-way power supply electricity
Road powers for WIFI module, higher so as to cause the hardware cost of intelligent bulbs.
Utility model content
For this reason, it may be necessary to provide a kind of intelligent bulbs power supply unit, two need to be designed for solving intelligent bulbs in the prior art
Road power supply circuit leads to the problem that hardware cost is high.
To achieve the above object, a kind of intelligent bulbs power supply unit is inventor provided, including：
Voltage input end obtains input voltage from the power grid for connecting with power grid；
Multi-tap transformer, including primary coil and secondary coil, the primary coil are used for and the voltage input end
Connection, the secondary coil includes the first tap and the second tap, wherein first tap is for the light bulb with intelligent bulbs
Module electrical connection, powers for the bulb module；And
First voltage regulator circuit, the input terminal of the first voltage regulator circuit are connected to second tap, the first voltage regulator circuit it is defeated
Outlet is powered for being electrically connected with the radio receiving transmitting module of intelligent bulbs for the radio receiving transmitting module.
Further, first voltage regulator circuit includes three-terminal regulator chip and first diode；
The input terminal of the first diode is connected to second tap, and the output end of first diode is connected to described
The input terminal of three-terminal regulator chip；The output end of the three-terminal regulator chip is described for being electrically connected with radio receiving transmitting module
Radio receiving transmitting module power supply.
It further, further include the second voltage regulator circuit, the input terminal of second voltage regulator circuit is connected to voltage input end,
Output end is connect with the primary coil of the multi-tap transformer.
Further, second voltage regulator circuit includes constant voltage source chip.
It further, further include DC-DC constant voltage and current limiting chip and the second diode；
The input terminal of second diode is connected to first tap, and the output end of the second diode is connected to described
The input terminal of DC-DC constant voltage and current limiting chip, the output end of the DC-DC constant voltage and current limiting chip are used to connect with the bulb module
It connects, powers for the bulb module.
It further, further include protection circuit；
The protection circuit is set to the voltage input end, including fuse and bidirectional trigger diode, the insurance
Silk and the bidirectional trigger diode are series at the voltage input end.
It further, further include L-C filter circuit, the L-C filter circuit is set to the output end of the protection circuit.
Further, the radio receiving transmitting module is WIFI module, bluetooth module or ZigBee module.
In order to solve the above technical problems, the utility model additionally provides a kind of intelligent bulbs, including bulb module, power supply mould
Block and radio receiving transmitting module, the power supply module are electrically connected with the bulb module and radio receiving transmitting module, the power supply
Module is any intelligent bulbs power supply unit in above technical scheme.
Further, the bulb module includes LED light emitting diode.
It is different from the prior art, multi-tap transformer, multi-tap transformer is used in the power supply unit of above-mentioned technical proposal
The first tap power for bulb module, the second tap is powered for radio receiving transmitting module, to eliminate independent all the way supply
Circuit greatly reduces hardware cost.
Detailed description of the invention
Fig. 1 is the power supply the principle figure of existing WIFI light bulb in background technique；
Fig. 2 is the circuit block diagram of intelligent bulbs power supply unit described in specific embodiment；
Fig. 3 is the circuit block diagram of intelligent bulbs power supply unit described in another specific embodiment；
Fig. 4 is the physical circuit figure of intelligent bulbs power supply unit shown in Fig. 3.
Description of symbols：
10, voltage input end；
20, multi-tap transformer；
30, bulb module；
40, the first voltage regulator circuit；
50, WIFI module；
60, constant voltage and current limiting chip；
70, the second voltage regulator circuit；
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Please see Fig. 2 to Fig. 4, the circuit block diagram and specific electricity of a kind of WIFI bulb powered device are present embodiments provided
Lu Tu.Wherein, the intelligent lighting power supply unit is a part in intelligent bulbs, for the wireless receiving and dispatching in intelligent bulbs
The electricity consumptions module for power supply such as module, bulb module.Referring to Fig. 2, the intelligent bulbs power supply unit includes：
Voltage input end 10 is used for and power grid (voltage is usually 110V-220V, 50 hertz or 60 hertz of AC power source)
Connection obtains input voltage from the power grid；
Multi-tap transformer 20, including primary coil and secondary coil, the primary coil are used for and the voltage input
10 connection of end, the secondary coil include the first tap (T1-1 in Fig. 4) and the second tap (T1-2 in Fig. 4), wherein institute
The first tap is stated for being electrically connected with the bulb module of intelligent bulbs, is powered for the bulb module；And
First voltage regulator circuit, input terminal are connected to second tap, and output end is for the WIFI module with intelligent bulbs
Electrical connection is powered for the WIFI module.
The input voltage of voltage input end after 20 transformation of multi-tap transformer, by secondary coil the first tap and
Second tap exports two independent voltages respectively, wherein it is used to power to bulb module by the voltage of the first tap output, by
The voltage of second tap output via after the first voltage regulator circuit pressure stabilizing for give WIFI module (i.e. radio receiving transmitting module) power.
Specifically, please referring to Fig. 3 and Fig. 4, wherein S1, S3 are voltage input end, and T1 is the multi-tap transformer, take out more
The cathode that the first tap of head transformer T1 is connected with the second diode D1, the second diode D1 is voltage output end S2, voltage
Power supply CV+ of the output end S2 as bulb module.The second tap of the multi-tap transformer T1 is connected with the one or two pole
Pipe D3, the cathode of first diode D3 are connected to the first voltage regulator circuit 40.It is more due to using multi-tap transformer in power supply unit
First tap of tapped transformer is powered for bulb module, and the second tap is powered for WIFI module, to eliminate all the way
Independently-powered circuit greatly reduces hardware cost, and makes the input voltage of WIFI module by the way that the first voltage regulator circuit is arranged
Stablize, the job stability of WIFI module has been effectively ensured.
In the present embodiment, first voltage regulator circuit be include U2 in voltage stabilizing chip i.e. figure, the output of voltage stabilizing chip
Hold the power supply WIFI+ as WIFI module.Preferably, the voltage stabilizing chip is three-terminal regulator chip, the three-terminal voltage-stabilizing
Chip is also known as three-terminal voltage-stabilizing pipe, is specifically divided into two kinds, is fixed, referred to as fixed output three-terminal voltage-stabilizing one is output voltage
Pipe, another output voltage is adjustable, referred to as adjustable output three-terminal voltage-stabilizing pipe.The three-terminal regulator chip in the present embodiment
The preferably fixed three-terminal regulator chip of output voltage, such as 7805 chips.Three-terminal regulator chip has very high output resistance,
In certain current range or within the scope of certain power loss, output end voltage can be kept several before being reversed breakdown
It is constant, excellent stabilizing voltage characteristic is shown, to guarantee the job stability of WIFI module.
In the present embodiment, the bulb module 30 is preferably LED light source, including one or more LED luminous two
Pole pipe.Preferably, the power of the LED light source is less than 20W, belongs to small-power (i.e. small wattage) light source.As shown in figure 3, described
Intelligent bulbs power supply unit further includes constant voltage and current limiting chip 60, is carried out by input voltage of the constant voltage and current limiting chip 60 to LED light source
Constant voltage and current limiting.Referring to Fig. 4, the output end (S2 i.e. in figure) of the second diode D1 is connected to the DC-DC constant pressure limit
The input terminal of chip U5 is flowed, the output end of the DC-DC constant voltage and current limiting chip U5 with Light-emitting diode LED 1 for connecting, voltage
CV+ is exported after the DC-DC constant voltage and current limiting chip U5 constant voltage and current limiting to Light-emitting diode LED 1.In the present embodiment, it uses
DC-DC constant voltage and current limiting chip U5 can prevent Light-emitting diode LED 1 from burning because electric current is excessive, while can make its input again
Voltage is constant, to guarantee the stability of 1 brightness of Light-emitting diode LED.
Referring to Fig. 3, the intelligent bulbs power supply unit further includes the second voltage regulator circuit 70, second voltage regulator circuit 70
Input terminal be connected to voltage input end 10, output end is connect with the primary coil of the multi-tap transformer 20.Described second
Voltage regulator circuit can reduce influence of the voltage fluctuation to circuit of voltage input end S1, S3.As shown in figure 4, in physical circuit, institute
Stating the second voltage regulator circuit includes constant voltage source chip U1, and is connected to resistance R5, R6 and electricity of constant voltage source chip U1 pin
Hold C2.
Referring to Fig. 4, the intelligent bulbs power supply unit further includes protection circuit, the protection circuit is set to the electricity
It presses between input terminal S1 and S3, for preventing high input voltage from leading to the breaking-up of circuit.The protection circuit include fuse F1 and
Bidirectional trigger diode DB1, the fuse F1 are series on voltage input S1 (i.e. firewire), the bidirectional trigger diode
DB1 is series between the voltage input end S1 and S3.
When the electric current at the end voltage input S1 is excessive, the fuse F1 can overheat fusing, can prevent input overcurrent from causing
The breaking-up of circuit.The excessively high breaking-up for leading to circuit of voltage input can be prevented by the bidirectional trigger diode DB1, when two-way touching
When sending out the both ends diode DB1 institute's making alive lower than forward breakover voltage V, bidirectional trigger diode DB1 is in high-impedance state.Work as U>V
(B0) when, bidirectional trigger diode DB1 breakdown conducting enters negative impedance region.It is double equally when U is greater than reverse snapback voltage V (BR)
It equally can enter negative impedance region to diac DB1.Breakover Voltage Symmetry is indicated with △ V (B).△ V (B)=V (B0)-V
(BR).General △ V (B) should be less than 2 volts.
As shown in figure 4, the intelligent bulbs power supply unit further includes L-C filter circuit, the L-C filter circuit is set to
The output end of the protection circuit.Specifically, the L-C filter circuit is set to the output of the bidirectional trigger diode DB1
Between end, including capacitor C5, capacitor C16 and inductance L1, wherein capacitor C5, L1 are in turn connected to form π shape with C16 and connect.It is described
L-C filter circuit can effectively reduce the EMI value and EMC value (i.e. transmission value, radiation value) of circuit.
With above embodiments the difference is that, it is in other embodiments, wireless in the intelligent bulbs power supply unit
Transceiver module other can also wirelessly realize the RF module of data transmit-receive for ZigBee module, bluetooth module etc..
Another embodiment provides a kind of intelligent bulbs, which includes bulb module, power supply module and wireless
Transceiver module, the power supply module are electrically connected with the bulb module and radio receiving transmitting module, for being the bulb module
And radio receiving transmitting module power supply, wherein the power supply module is intelligent bulbs power supply unit described in above embodiments.It is excellent
Choosing, the bulb module is LED module, including one or more LED light emitting diode.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (10)
1. a kind of intelligent bulbs power supply unit, which is characterized in that including：
Voltage input end obtains input voltage from the power grid for connecting with power grid；
Multi-tap transformer, including primary coil and secondary coil, the primary coil are used to connect with the voltage input end,
The secondary coil includes the first tap and the second tap, wherein first tap is used for and the bulb module of WIFI light bulb electricity
Connection is powered for the bulb module；And
First voltage regulator circuit, the input terminal of the first voltage regulator circuit are connected to second tap, the output end of the first voltage regulator circuit
It is electrically connected for the radio receiving transmitting module with intelligent bulbs, powers for the radio receiving transmitting module.
2. intelligent bulbs power supply unit according to claim 1, which is characterized in that first voltage regulator circuit includes three ends
Voltage stabilizing chip and first diode；
The input terminal of the first diode is connected to second tap, and the output end of first diode is connected to three end
The input terminal of voltage stabilizing chip；The output end of the three-terminal regulator chip is described wireless for being electrically connected with radio receiving transmitting module
Transceiver module power supply.
3. intelligent bulbs power supply unit according to claim 1, which is characterized in that it further include the second voltage regulator circuit, it is described
The input terminal of second voltage regulator circuit is connected to voltage input end, and output end is connect with the primary coil of the multi-tap transformer.
4. intelligent bulbs power supply unit according to claim 3, which is characterized in that second voltage regulator circuit includes constant pressure
Power supply chip.
5. intelligent bulbs power supply unit according to claim 1, which is characterized in that further include DC-DC constant voltage and current limiting chip
With the second diode；
The input terminal of second diode is connected to first tap, and the output end of the second diode is connected to the DC-
The input terminal of DC constant voltage and current limiting chip, the output end of the DC-DC constant voltage and current limiting chip are for connecting with the bulb module
The bulb module power supply.
6. intelligent bulbs power supply unit according to claim 1, which is characterized in that further include protection circuit；
The protection circuit is set to the voltage input end, including fuse and bidirectional trigger diode, the fuse and
The bidirectional trigger diode is series at the voltage input end.
7. intelligent bulbs power supply unit according to claim 6, which is characterized in that further include L-C filter circuit, the L-
C filter circuit is set to the output end of the protection circuit.
8. intelligent bulbs power supply unit according to claim 1, which is characterized in that the radio receiving transmitting module is WIFI mould
Block, bluetooth module or ZigBee module.
9. a kind of intelligent bulbs, including bulb module, power supply module and radio receiving transmitting module, the power supply module and the lamp
Steep module and radio receiving transmitting module electrical connection, which is characterized in that the power supply module is any intelligence of claim 1-8
It can bulb powered device.
10. intelligent bulbs according to claim 9, which is characterized in that the bulb module includes LED light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658575.6U CN208175051U (en) | 2018-05-04 | 2018-05-04 | A kind of intelligent bulbs power supply unit and intelligent bulbs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658575.6U CN208175051U (en) | 2018-05-04 | 2018-05-04 | A kind of intelligent bulbs power supply unit and intelligent bulbs |
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| Publication Number | Publication Date |
|---|---|
| CN208175051U true CN208175051U (en) | 2018-11-30 |
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ID=64368622
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| CN201820658575.6U Active CN208175051U (en) | 2018-05-04 | 2018-05-04 | A kind of intelligent bulbs power supply unit and intelligent bulbs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401333A (en) * | 2018-05-04 | 2018-08-14 | 厦门阳光恩耐照明有限公司 | A kind of intelligent bulbs are for electric installation, method and intelligent bulbs |
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2018
- 2018-05-04 CN CN201820658575.6U patent/CN208175051U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401333A (en) * | 2018-05-04 | 2018-08-14 | 厦门阳光恩耐照明有限公司 | A kind of intelligent bulbs are for electric installation, method and intelligent bulbs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200420 Address after: Xinyang Industrial Park Haicang District of Xiamen City, Fujian province 361000 after Cheung Road No. 88 Co-patentee after: ZHEJIANG YANKON GROUP Co.,Ltd. Patentee after: XIAMEN YANKON ENERGETIC LIGHTING Co.,Ltd. Address before: 361026 Hou Xiang Road, Haicang District, Xiamen, Fujian Province, No. 88 Co-patentee before: Xiamen Energetic Lighting Co.,Ltd. Patentee before: XIAMEN YANKON ENERGETIC LIGHTING Co.,Ltd. Co-patentee before: ZHEJIANG YANKON GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |